Gaya APA
The Psychology of Pregnancy and Childbirth. (1999).
London:
blackwell science.
Gaya Chicago
The Psychology of Pregnancy and Childbirth.
.
London:
blackwell science,
1999.
Buku Teks.
Gaya MLA
The Psychology of Pregnancy and Childbirth.
.
London:
blackwell science,
1999.
Buku Teks.
Gaya Turabian
The Psychology of Pregnancy and Childbirth.
London:
blackwell science,
1999.
Buku Teks.